VEVOR Mailboxes for Outside 44 x 35 x 58.3cm, Galvanized Steel Package Delivery Boxes for Outside with Coded Lock, Anti-Theft Baffle, IPX3 Waterproof Delivery Box for Packages for Porch, Curbside
Square columns are acceptable, but round columns must be fixed to square plates before being installed on them. All parcel boxes are square, without curves.